package longcaisuyun.longcai.com.yiliubabalongcaisuyun;

import android.util.SparseArray;
import android.view.View;

/**
 * Created by Administrator on 2016/4/15.
 */
public class ViewHolder {

    @SuppressWarnings("unchecked")
    public static <T extends View> T get(View view, int id) {
        SparseArray<View> viewHolder=(SparseArray<View>) view.getTag();
        if (viewHolder ==null) {
            viewHolder=new SparseArray<View>();
            view.setTag(viewHolder);
        }
        View childView=viewHolder.get(id);
        if (childView==null) {
            childView=view.findViewById(id);
            viewHolder.put(id, childView);
        }
        return (T) childView;
    }

}
